reactos/dll/win32/mshtml/conpoint.c

441 lines
13 KiB
C

/*
* Copyright 2006 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "mshtml_private.h"
typedef struct {
IEnumConnections IEnumConnections_iface;
LONG ref;
unsigned iter;
ConnectionPoint *cp;
} EnumConnections;
static inline EnumConnections *impl_from_IEnumConnections(IEnumConnections *iface)
{
return CONTAINING_RECORD(iface, EnumConnections, IEnumConnections_iface);
}
static HRESULT WINAPI EnumConnections_QueryInterface(IEnumConnections *iface, REFIID riid, void **ppv)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
if(IsEqualGUID(riid, &IID_IUnknown)) {
*ppv = &This->IEnumConnections_iface;
}else if(IsEqualGUID(riid, &IID_IEnumConnections)) {
*ppv = &This->IEnumConnections_iface;
}else {
WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI EnumConnections_AddRef(IEnumConnections *iface)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI EnumConnections_Release(IEnumConnections *iface)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
IConnectionPoint_Release(&This->cp->IConnectionPoint_iface);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI EnumConnections_Next(IEnumConnections *iface, ULONG cConnections, CONNECTDATA *rgcd, ULONG *pcFetched)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
ULONG fetched = 0;
TRACE("(%p)->(%d %p %p)\n", This, cConnections, rgcd, pcFetched);
while(fetched < cConnections && This->iter < This->cp->sinks_size) {
if(!This->cp->sinks[This->iter].unk) {
This->iter++;
continue;
}
rgcd[fetched].pUnk = This->cp->sinks[This->iter].unk;
rgcd[fetched].dwCookie = ++This->iter;
IUnknown_AddRef(rgcd[fetched].pUnk);
fetched++;
}
if(pcFetched)
*pcFetched = fetched;
return fetched == cConnections ? S_OK : S_FALSE;
}
static HRESULT WINAPI EnumConnections_Skip(IEnumConnections *iface, ULONG cConnections)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
FIXME("(%p)->(%d)\n", This, cConnections);
return E_NOTIMPL;
}
static HRESULT WINAPI EnumConnections_Reset(IEnumConnections *iface)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
FIXME("(%p)\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI EnumConnections_Clone(IEnumConnections *iface, IEnumConnections **ppEnum)
{
EnumConnections *This = impl_from_IEnumConnections(iface);
FIXME("(%p)->(%p)\n", This, ppEnum);
return E_NOTIMPL;
}
static const IEnumConnectionsVtbl EnumConnectionsVtbl = {
EnumConnections_QueryInterface,
EnumConnections_AddRef,
EnumConnections_Release,
EnumConnections_Next,
EnumConnections_Skip,
EnumConnections_Reset,
EnumConnections_Clone
};
static inline ConnectionPoint *impl_from_IConnectionPoint(IConnectionPoint *iface)
{
return CONTAINING_RECORD(iface, ConnectionPoint, IConnectionPoint_iface);
}
static HRESULT WINAPI ConnectionPoint_QueryInterface(IConnectionPoint *iface,
REFIID riid, LPVOID *ppv)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
if(IsEqualGUID(&IID_IUnknown, riid)) {
*ppv = &This->IConnectionPoint_iface;
}else if(IsEqualGUID(&IID_IConnectionPoint, riid)) {
*ppv = &This->IConnectionPoint_iface;
}else {
*ppv = NULL;
WARN("Unsupported interface %s\n", debugstr_mshtml_guid(riid));
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI ConnectionPoint_AddRef(IConnectionPoint *iface)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
return IConnectionPointContainer_AddRef(&This->container->IConnectionPointContainer_iface);
}
static ULONG WINAPI ConnectionPoint_Release(IConnectionPoint *iface)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
return IConnectionPointContainer_Release(&This->container->IConnectionPointContainer_iface);
}
static HRESULT WINAPI ConnectionPoint_GetConnectionInterface(IConnectionPoint *iface, IID *pIID)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
TRACE("(%p)->(%p)\n", This, pIID);
if(!pIID)
return E_POINTER;
*pIID = *This->iid;
return S_OK;
}
static HRESULT WINAPI ConnectionPoint_GetConnectionPointContainer(IConnectionPoint *iface,
IConnectionPointContainer **ppCPC)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
TRACE("(%p)->(%p)\n", This, ppCPC);
if(!ppCPC)
return E_POINTER;
*ppCPC = &This->container->IConnectionPointContainer_iface;
IConnectionPointContainer_AddRef(*ppCPC);
return S_OK;
}
static HRESULT WINAPI ConnectionPoint_Advise(IConnectionPoint *iface, IUnknown *pUnkSink,
DWORD *pdwCookie)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
IUnknown *sink;
DWORD i;
HRESULT hres;
TRACE("(%p)->(%p %p)\n", This, pUnkSink, pdwCookie);
hres = IUnknown_QueryInterface(pUnkSink, This->iid, (void**)&sink);
if(FAILED(hres) && !IsEqualGUID(&IID_IPropertyNotifySink, This->iid))
hres = IUnknown_QueryInterface(pUnkSink, &IID_IDispatch, (void**)&sink);
if(FAILED(hres))
return CONNECT_E_CANNOTCONNECT;
if(This->sinks) {
for(i=0; i<This->sinks_size; i++) {
if(!This->sinks[i].unk)
break;
}
if(i == This->sinks_size)
This->sinks = heap_realloc(This->sinks,(++This->sinks_size)*sizeof(*This->sinks));
}else {
This->sinks = heap_alloc(sizeof(*This->sinks));
This->sinks_size = 1;
i = 0;
}
This->sinks[i].unk = sink;
if(pdwCookie)
*pdwCookie = i+1;
if(!i && This->data && This->data->on_advise)
This->data->on_advise(This->container->outer, This->data);
return S_OK;
}
static HRESULT WINAPI ConnectionPoint_Unadvise(IConnectionPoint *iface, DWORD dwCookie)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
TRACE("(%p)->(%d)\n", This, dwCookie);
if(!dwCookie || dwCookie > This->sinks_size || !This->sinks[dwCookie-1].unk)
return CONNECT_E_NOCONNECTION;
IUnknown_Release(This->sinks[dwCookie-1].unk);
This->sinks[dwCookie-1].unk = NULL;
return S_OK;
}
static HRESULT WINAPI ConnectionPoint_EnumConnections(IConnectionPoint *iface,
IEnumConnections **ppEnum)
{
ConnectionPoint *This = impl_from_IConnectionPoint(iface);
EnumConnections *ret;
TRACE("(%p)->(%p)\n", This, ppEnum);
ret = heap_alloc(sizeof(*ret));
if(!ret)
return E_OUTOFMEMORY;
ret->IEnumConnections_iface.lpVtbl = &EnumConnectionsVtbl;
ret->ref = 1;
ret->iter = 0;
IConnectionPoint_AddRef(&This->IConnectionPoint_iface);
ret->cp = This;
*ppEnum = &ret->IEnumConnections_iface;
return S_OK;
}
static const IConnectionPointVtbl ConnectionPointVtbl =
{
ConnectionPoint_QueryInterface,
ConnectionPoint_AddRef,
ConnectionPoint_Release,
ConnectionPoint_GetConnectionInterface,
ConnectionPoint_GetConnectionPointContainer,
ConnectionPoint_Advise,
ConnectionPoint_Unadvise,
ConnectionPoint_EnumConnections
};
static void ConnectionPoint_Init(ConnectionPoint *cp, ConnectionPointContainer *container, REFIID riid, cp_static_data_t *data)
{
cp->IConnectionPoint_iface.lpVtbl = &ConnectionPointVtbl;
cp->container = container;
cp->sinks = NULL;
cp->sinks_size = 0;
cp->iid = riid;
cp->data = data;
}
static void ConnectionPoint_Destroy(ConnectionPoint *This)
{
DWORD i;
for(i=0; i<This->sinks_size; i++) {
if(This->sinks[i].unk)
IUnknown_Release(This->sinks[i].unk);
}
heap_free(This->sinks);
}
static ConnectionPoint *get_cp(ConnectionPointContainer *container, REFIID riid, BOOL do_create)
{
const cpc_entry_t *iter;
unsigned idx, i;
for(iter = container->cp_entries; iter->riid; iter++) {
if(IsEqualGUID(iter->riid, riid))
break;
}
if(!iter->riid)
return NULL;
idx = iter - container->cp_entries;
if(!container->cps) {
if(!do_create)
return NULL;
while(iter->riid)
iter++;
container->cps = heap_alloc((iter - container->cp_entries) * sizeof(*container->cps));
if(!container->cps)
return NULL;
for(i=0; container->cp_entries[i].riid; i++)
ConnectionPoint_Init(container->cps+i, container, container->cp_entries[i].riid, container->cp_entries[i].desc);
}
return container->cps+idx;
}
void call_property_onchanged(ConnectionPointContainer *container, DISPID dispid)
{
ConnectionPoint *cp;
DWORD i;
cp = get_cp(container, &IID_IPropertyNotifySink, FALSE);
if(!cp)
return;
for(i=0; i<cp->sinks_size; i++) {
if(cp->sinks[i].propnotif)
IPropertyNotifySink_OnChanged(cp->sinks[i].propnotif, dispid);
}
}
static inline ConnectionPointContainer *impl_from_IConnectionPointContainer(IConnectionPointContainer *iface)
{
return CONTAINING_RECORD(iface, ConnectionPointContainer, IConnectionPointContainer_iface);
}
static HRESULT WINAPI ConnectionPointContainer_QueryInterface(IConnectionPointContainer *iface,
REFIID riid, void **ppv)
{
ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
return IUnknown_QueryInterface(This->outer, riid, ppv);
}
static ULONG WINAPI ConnectionPointContainer_AddRef(IConnectionPointContainer *iface)
{
ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
return IUnknown_AddRef(This->outer);
}
static ULONG WINAPI ConnectionPointContainer_Release(IConnectionPointContainer *iface)
{
ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
return IUnknown_Release(This->outer);
}
static HRESULT WINAPI ConnectionPointContainer_EnumConnectionPoints(IConnectionPointContainer *iface,
IEnumConnectionPoints **ppEnum)
{
ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
FIXME("(%p)->(%p)\n", This, ppEnum);
return E_NOTIMPL;
}
static HRESULT WINAPI ConnectionPointContainer_FindConnectionPoint(IConnectionPointContainer *iface,
REFIID riid, IConnectionPoint **ppCP)
{
ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
ConnectionPoint *cp;
TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppCP);
if(This->forward_container)
return IConnectionPointContainer_FindConnectionPoint(&This->forward_container->IConnectionPointContainer_iface,
riid, ppCP);
cp = get_cp(This, riid, TRUE);
if(!cp) {
FIXME("unsupported riid %s\n", debugstr_mshtml_guid(riid));
*ppCP = NULL;
return CONNECT_E_NOCONNECTION;
}
*ppCP = &cp->IConnectionPoint_iface;
IConnectionPoint_AddRef(*ppCP);
return S_OK;
}
static const IConnectionPointContainerVtbl ConnectionPointContainerVtbl = {
ConnectionPointContainer_QueryInterface,
ConnectionPointContainer_AddRef,
ConnectionPointContainer_Release,
ConnectionPointContainer_EnumConnectionPoints,
ConnectionPointContainer_FindConnectionPoint
};
void ConnectionPointContainer_Init(ConnectionPointContainer *This, IUnknown *outer, const cpc_entry_t *cp_entries)
{
This->IConnectionPointContainer_iface.lpVtbl = &ConnectionPointContainerVtbl;
This->cp_entries = cp_entries;
This->cps = NULL;
This->outer = outer;
This->forward_container = NULL;
}
void ConnectionPointContainer_Destroy(ConnectionPointContainer *This)
{
unsigned i;
if(!This->cps)
return;
for(i=0; This->cp_entries[i].riid; i++)
ConnectionPoint_Destroy(This->cps+i);
heap_free(This->cps);
}